Improvement in steam-boilers



VImprovement in Steam Boilrs.

No.1v20,516.' 1 Pafentedm. 31,1371.

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Patented Oct. 371,18711 N0.l20,5l6.A

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Improvement in` Steam Boifefs'.

No.120,51.6. f Pa1@n1edoc.1.31,1a71.

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UNITED STATES PATENT @Enron JACOB F. HAYEN, OF BUFFALO, NEW YORK.

IMPROVEMENT IN STEAM-BOILERS.

vSpecification forming part of Letters Patent N o. 120,516, datedOctober 3l, 1871.

To all whom it muy concern:

Be it known that I, JACOB F. HAYEN, of the city of Buffalo, county ofErie and State of New York, have invented a new and Improved UprightBase-Burning Steam-Boiler; and I do hereby declare that the following isan exact and full description thereof, reference being had to theaccompanying drawing and the letters of reference marked thereon makinga part of this specifica tion.

Figure l is a perspective view of my improved boiler. Fig. 2 is acentral vertical section of the same. Fig. 3 is a transverse sectiontaken in the plane of the line w x, Fig. 2. Figs. 4, 5, 6, and 7 aredetached views of the furnace-grate. Figs. 8, 9, and l0 are detachedviews of a steam-gauge and its attachments and Fig. ll is a sectionalView ofthe deilecting-plate, detached from the boiler-furnace.

Similar letters of reference in the accompany ing drawing denote thesame parts.

My invention has for its object to improve that class of uprightsteam-boilers which is provided with a base-burning furnace, whereby thesame is siniplied in construction and rendered more efficient inoperation. To this end the invention consists in the combination andconstruction of various parts, as I will now proceed to describe.

In the accompanying drawing, A is the upright cylindrical shell of theboiler, composed of the proper materials, and mounted upon a suitablebase, H. A is a plate, affixed to the front of the shell and extendingthe whole length of the same and the base H, for the purpose of ailfording the necessary support for the doors d J M, and also to impartthe proper nish to the boiler. O i's the combustion or rire-chamber,arranged concentrically within the base of the boiler above the supportH, the latter serving as an ash-pit, to which access is had, through theB is the fuel-reservoir, placed concentrically within the boiler, andconnecting, at its lower end, with the combustionchamber (l. Its upperend terminates at a point some distance above the center of the boilerand opens into the upper combustion-chainber O. Fuel is supplied to thereservoir through the door d in the side of the boiler and the door d'upon the upper end of the reservoir. B is the cast-iron fire-pot,connecting the fuel-reservoir with the combustion-chamber. It

is made in the form of an upright cylinder, slightly tapering, andcomposed of sections, so that it can be removed when the furnace orflues are to be cleaned. The inner shell of the boiler, immediatelyabove the combustion-chamber O, is constructed with a series ofwater-legs or pipes, a, of circular form, which projects over the sidesof said chamber and terminates a short distance from the lire-pot B. Thecombustion-chamber C communicates with the upper chamber C through aseries of flues, I), which passes upward between the waterlegs c, asshown in Fig. 3, so that the products of combustion pass freely aroundsaid legs as they leave the combustion chamber. F is an annulardeiiecting-plate, f1tting with close contact about the upper end of thefuel-reservoir, and from thence inclining up ward and outward to theshell A, passing over the ends of the flues D. Its outer edge is formedwith a series of notches, c, from which the products of combustion fromthe iiues D escape into the upper chamber C. This plate, by itsconstruction and arrangement, deilects the currents of hot air andproducts of combustion, as they escape from the iiues l), directlyagainst the inner shell of the boiler, thereby heating the water thereinas well at the top as at the bottom around the furnace. Gr is thesmoke-stack or iiue, extending through the top of the boiler into thechamber C', where it terminates in a damper, G, as shown in Fig. 2. Thedamper G is composed of two concentric rings, e c, fitting closely, onewithin the other, upon a closed bottom, f. Each ring is provided withopenings g, and, by moving the outer ring in either direction, theopenings will be opened or closed, as desired. By this arrangement of adamper the draught through the furnace is regulated within the boileritself-that is to say, within the chamber C. L is the grate, composed ofcast-iron and pivoted centrally to the stand S', so as to revolve freelythereon, said stand in its turn being secured to the furnace, as shownat z, Fig. 2. J is an opening, extending through the side of the boilerinto the furnace, to permit the inspection of the latter from time totime and to admit of the fire being stirred, when necessary. Fig. 9exhibits a hermetically-sealed reservoir, composed of any suitablematerial, and attached to the boiler at any desired point on theWater-line. It is connected to the boiler by two pipes, t k, the formerentering above, and the latter below, the Waterline. By this means thesaine Water-level is preserved in both boiler and reservoir. m is theWater-supply pipe, passing through the reservoir into the boiler. Thesupply of Water is regulated by means of the valve fw and loat O, whichare connected by the rod al so as to form a loatvalve, by which auniform level of the Water in the boiler is maintained. In Fig. Sisshown a steam-gauge, to be attached to the side of the boiler. The levera2 of the gauge is adapted to work up or down, according to the pressureof steam in the boiler. One end is connected, by

a chain, y, to the upper door of the latter, and its opposite end isVconnected to the lower door of the ash-pit. By this arrangement thedraught of the furnace is regulated in accordance with the pressure ofsteani in the boiler.

Having thus described my invention, What I claim as new, is-

1. The boiler herein described, consisting of the shell A, reservoir B,cast-iron fire-pot B', vertical ilues D, detlecting-plate F, radialWaterlegs a a, and furnace C, all substantially as shown and described,for the purposes specied.

2. The inclined annular deilecting-plate F, in combination with thefuel-reservoir B, upper chamber C', lues D, and the inner shell of theboiler, substantially as described, for the purpose specified.

3. The damper G, arranged Within the upper chamber C above thedelectingplate F, and fuel-reservoir B, substantially as described, forthe purposes specified. *i

n JACOB F. HAYEN.

ADOLPH MEYER. (149)

